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ISSN: 2666-6472

A review of small angle scattering, neutron reflection, and neutron diffraction techniques for microstructural characterization of polymer-bonded explosives

To better understand the structure-activity relationship and enhance the overall performance of polymer-bonded explosives (PBXs), the neutron and X-ray scattering techniques, which utilize neutron or...

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Design and performance of a micro-scale detonation train with a built-in pyrotechnic MEMS-based safety and arming device

To improve the equipment miniaturization and reliability of weapons and ammunition systems, this study designs a micro-scale detonation train (MDT) with a built-in pyrotechnic microelectromechanical...

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Achieving superior thermal conductivity in polymer bonded explosives using a preconstructed 3D graphene framework

When subjected to complicated thermal alternation, the low thermal conductivity (k) of polymerbonded explosives (PBXs) will induce high thermal stress, which will undermine the safety and reliability...

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Machine learning-based prediction and interpretation of decomposition temperatures of energetic materials

Exploring the application of machine learning (ML) in energetic materials (EMs) has been a hot research topic. Accordingly, the prediction of the detonation properties of EMs using ML methods has attracted...

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Structure-activity relationship analysis and molecular structure construction of fused tricyclic energetic molecules containing flexible ring

A simple, mild and efficient method was proposed to construct fused tricyclic skeletons based on Mannich reaction. This work not only develops a new method to construct the tricyclic skeletons effectively,...

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Recent progress in research on the dynamic process of high-energy explosives through pump-probe experiments at high-intensity laser facilities

To accurately predict the detonation and safety performances of high-energy explosives, it is necessary to investigate their reaction mechanisms on different scales, which, however, presents a challenge...

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Application of inkjet printing using micro-nano CL-20-based PVA colloidal suspension with desensitization to MEMS-based pyrotechnics

The micro-scale detonation sequence prepared by the inkjet printing using all-liquid 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazawurtzitan (CL-20)-based energetic inks enables the micro-space fine-scale...

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Deuterated energetic materials: Syntheses, structures, and properties

The deuteration of energetic materials contributes to high signal-to-noise ratios (SNRs) in neutron diffraction, thus allowing the structures of energetic materials to be effectively investigated. This...

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Research progress in thermal expansion characteristics of TATB based polymer bonded explosives

Under complex temperature variations, the irreversible thermal expansion of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) based polymer bonded explosives (PBXs) results in decreased shape stability, directly...

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Identifying the determining factors of detonation properties for linear nitroaliphatics with high-throughput computation and machine learning

In this work, a high-throughput computation (HTC) and machine learning (ML) combined method was applied to identify the determining factors of the detonation velocity (vd) and detonation pressure (pd)...

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EM Database v1.0: A benchmark informatics platform for data-driven discovery of energetic materials

Large-scale data demonstrates great significance for the discovery of novel energetic materials (EMs). However, the open-source databases of EMs are not readily available. In pursuit of high-performance...

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An USAXS-SAXS study of nano-TATB under uniaxial die pressures

The microstructure of a compressed explosive solid is closely related to its shock sensitivity and mechanical properties. In this study, ultra-small-angle and small-angle X-ray scattering (USAXS and...

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Machine learning-assisted quantitative prediction of thermal decomposition temperatures of energetic materials and their thermal stability analysis

In this study, machine learning (ML)-assisted regression modeling was conducted to predict the thermal decomposition temperatures and explore the factors that correlate with the thermal stability of...

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Polymeric nitrogen: A review of experimental synthesis method, structure properties and lattice dynamic characterization from large scientific facilities and extreme spectroscopy perspectives

Single-bonded polymeric nitrogen (PN) synthesized under high pressure was highly delivered for its valuable application prospects on high-energy-density materials (HEDM) and profound effects for understanding...

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Ageing studies on AP/HTPB based composites solid propellants

Components of solid rocket motor that are susceptible to ageing are propellant, insulator, inhibitor, interfaces, igniter system, and seals. Seals, insulator, ignition systems are replaceable but the...

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Three-dimensional printing of energetic materials: A review

Additive manufacturing technology or three-dimensional (3D) printing has been applied in many manufacture fields. The combination of 3D printing and conventional energetic material fields can create...

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Machine learning-guided property prediction of energetic materials: Recent advances, challenges, and perspectives

Predicting chemical properties is one of the most important applications of machine learning. In recent years, the prediction of the properties of energetic materials using machine learning has been...

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Atomic force microscopy in energetic materials research: A review

Modern trends in the development of energetic materials include the various methods of particle surface modification and the widespread use of nanosized powders. Atomic force microscopy (AFM) is a useful,...

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Nitrogen-rich tetracyclic-based heterocyclic energetic materials

This review provides numerous studies on nitrogen-rich tetracyclic-based heterocyclic energetic materials including oxadiazole, tetrazole, triazole, pyrazole, imidazole and tetrazine. The article mainly...

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Recent advances on the crystallization engineering of energetic materials

The safety properties and desirable detonation performance of energetic materials (EMs) are mutually exclusive, therefore, various strategies including the coating, doping, crystallization, and co-crystallization,...

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Successful development of HAN based green propellant

Research and development of Hydroxyl Ammonium Nitrate based liquid propellant; SHP-163 is reviewed. Starting from the composition selection of the propellant to the development of 1 ​N thruster of Green...

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Features of the mechanism of pasty propellants burning

The composition of a pasty propellant for small-sized space engines has been proposed. For this propellant, a research of the burning process was carried out. This research included the determination...

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Review of the phonon calculations for energetic crystals and their applications

The phonon is one of the most important elementary excitation in solid system, as a gene related to the thermal properties and chemical stability of energetic materials. This paper reviews the molecular...

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Thermally stable and insensitive energetic metal-organic frameworks based on two new tetrazole ligands

Two new tetrazole ligands were designed and synthesized using simple methods in this study, namely 1H-tetrazole-5-carbohydrazide (HCHT, 1) and 2-amino-5-(1H-tetrazol-5-yl)-1,3,4-oxadiazole (HAOT, 2)....

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